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STEM - Free and Open Access Resources for Research

Open Textbooks

Due to the costs of textbooks, open educational resources have become increasingly available. Most are college-level, though some are identified as high school level.

Open Textbook Library

Database of 1,000+ open textbooks.

Open Stax Open textbooks for math (pre-algebra through calculus and statistics) and science (biology, chemistry, physics, astronomy, anatomy and physiology, and microbiology.

Very large collection of open textbooks, learning objects, and "textmaps" (open content mapped to follow commercial textbooks)